Nokia 252 User Manual download pdf (Page 15)

To discharge the battery completely:

1) Leave the phone switched on until

RECHARGE BATTERY

appears, then let the phone switch off automatically.

2) Leave the phone alone for about 30 minutes (and do not

connect a charger within this time) after it switches itself off.

During this 30 minutes, the phone is in ‘Deep Discharge’

mode. The way to ‘wake up’ the phone is to connect it to a

charger.

3) Fully charge the battery after Deep Discharge.

The phone may remind you to discharge the battery, by pre-

senting a series of battery-advice messages. Press ▼ or to

page through the information, or press to clear the

messages.

Important Battery Information

• Use only batteries and chargers approved by the phone

manufacturer.

• When a charger is not in use, disconnect it from the power

source. Do not leave the battery connected to a charger for

longer than a week; overcharging may shorten its life.

• If left unused, a fully charged battery may completely drain

(discharge) in 1 - 4 weeks.

• Never use any charger or battery that is damaged or worn out.

• Use the battery only for its intended purpose.

• Do not short circuit the battery. Accidental short circuiting

can occur when a metallic object (e.g. coin, clip or pen)

causes direct connection of the two terminals of the battery

(metal strips on the back of the battery), for example, when

you carry a spare battery in your pocket or purse. Short cir-

cuiting the terminals may damage the battery or the

connecting object.

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Nokia 252 User Manual Page 15